9973613 has 16 divisors (see below), whose sum is σ = 11424000. Its totient is φ = 8631360.

The previous prime is 9973603. The next prime is 9973627. The reversal of 9973613 is 3163799.

It is a cyclic number.

It is not a de Polignac number, because 9973613 - 2⁴ = 9973597 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9973603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36668 + ... + 36938.

It is an arithmetic number, because the mean of its divisors is an integer number (714000).

Almost surely, 2^9973613 is an apocalyptic number.

It is an amenable number.

9973613 is a deficient number, since it is larger than the sum of its proper divisors (1450387).

9973613 is a wasteful number, since it uses less digits than its factorization.

9973613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452.

The product of its digits is 30618, while the sum is 38.

The square root of 9973613 is about 3158.1027532365. The cubic root of 9973613 is about 215.2538051894.

The spelling of 9973613 in words is "nine million, nine hundred seventy-three thousand, six hundred thirteen".